Desco's ESD attention labels are designed to indicate that contents of the package with the label are susceptible to damage. The packaging must be grounded and ESD control precautions are required when opening the packaging and handling the contents. Labels with reusable adhesive will tear when removed to indicate that the package has been opened. - Labels with permanent adhesive can not be reused. Labels with reusable adhesive allow the label to be removed and not leave a residue. Labels are coated with varnish for added durability and resistance to moisture, grease, and alcohol.